本文用Android studio 制作了简单的手机QQ登录界面,其中界面的布局采用了线性布局、表格布局(不固定布局方法),并给控件绑定监听器,当用户点击登陆按钮时,把用户所填写的注册内容显示在“注册”按钮下面的文本框内。
(实现的效果图)
代码:
package com.example.project309;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
EditText name;
EditText password;
RadioButton man;
RadioButton woman;
Button show;
TextView shower;
CheckBox auto;
CheckBox remember;
String result="";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
name = findViewById(R.id.name);
password = findViewById(R.id.password);
man = findViewById(R.id.man);
woman = findViewById(R.id.woman);
show = findViewById(R.id.show);
shower = findViewById(R.id.shower);
auto = findViewById(R.id.auto);
remember = findViewById(R.id.remember);
show.setonClickListener(this::onClick);
}
public void onClick(View v){
String user = name.getText().toString();
result +="姓名:"+user+"n";
String pass =password.getText().toString();
result +="密码:"+pass+"n";
if(man.isChecked()){
result+="性别:"+man.getText().toString()+"n"+"设置:";
}
if(woman.isChecked()){
result+="性别:"+woman.getText().toString()+"n"+"设置:";
}
if(auto.isChecked()){
result+=auto.getText().toString()+" ";
}
if(remember.isChecked()){
result+=remember.getText().toString()+" ";
}
shower.setText(result);
}
}



